Which of these is a protein?
a. table sugar
b. sunflower oil
c. collagen

Collagen has definetly a lot more of protein. Collagen is also one of the most used protein in the animal kingdom!

The answer is c because collagen got protein in it

The equator absorbs the most sunlight

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it